diff --git a/Cargo.lock b/Cargo.lock
index 615668a..1b552e6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -227,9 +227,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-hash"
-version = "2.0.0"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "583034fd73374156e66797ed8e5b0d5690409c9226b22d87cb7f19821c05d152"
+checksum = "c7fb8039b3032c191086b10f11f319a6e99e1e82889c5cc6046f515c9db1d497"
 
 [[package]]
 name = "syn"
diff --git a/Cargo.toml b/Cargo.toml
index 8f906aa..3421a8c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ bit-set = "0.8"
 ordered-float = "4.5"
 pyo3 = "0.22"
 rand = "0.8"
-rustc-hash = "2.0"
+rustc-hash = "2.1"
 
 [profile.release]
 codegen-units = 1